However, great journeys often begin with one intention and end with another. Ibn Battuta set out for the Hajj in 1325 and, by continuously following curiosity and opportunity, traveled for nearly three decades. His story hints at a useful tension: itineraries give us a starting arc, while serendipity lends depth and surprise. Practically, this means scheduling fewer commitments and more porous hours—time to follow a street band, accept a neighbor’s invitation, or linger where conversation blooms. In doing so, the list stays open-ended, a sketch rather than a cage. [...]